
tiller
词源
源自古英语 telgor(嫩枝,枝条),与古诺尔斯语 telgja(雕刻)同源,后引申出船舶操控和植物生长的双重含义。
noun
❶ 指船尾的舵柄,用于控制船只方向的横杆。水手通过左右移动舵柄来调整船舵角度。
“The sailor gripped the tiller tightly to steer the boat through the storm.”
(水手紧紧抓住舵柄,在风暴中操控船只方向。)
“A sudden wave almost knocked the tiller out of his hands.”
(一个突如其来的浪头差点把他手中的舵柄打飞。)
❶ 指植物的分蘖,即从主茎基部侧生出的新芽,常见于禾本科作物如水稻、小麦等。
“Healthy rice plants usually produce 3-5 tillers per seedling.”
(健康的水稻植株每株通常能分蘖3-5个新茎。)
“The farmer counted the tillers to estimate the crop yield.”
(农民通过数分蘖数来预估作物产量。)
verb
❶ 指植物生长过程中产生分蘖的过程,即从基部长出新的茎干。
“The grass began to tiller rapidly after the spring rain.”
(春雨过后,草开始快速分蘖。)
“These wheat plants tiller more abundantly in cool weather.”
(这些小麦植株在凉爽天气里分蘖更旺盛。)
常见短语
tiller extension — 安装在舵柄末端的可延长杆件,方便舵手在船只倾斜时仍能操控方向。
“He attached the tiller extension to reach the controls while hiking out.”
(他装上舵柄延长杆,以便在身体外挂时仍能操控方向。)
tiller angle — 指舵柄与船体中轴线形成的角度,反映船只当前的转向程度。
“The instructor reminded students to monitor the tiller angle during sharp turns.”
(教练提醒学员在急转弯时注意观察舵柄角度。)