Leveling block
[機] 平臺
?? 詞語組成解析
n. 水準測量
block
[blɑk]
n. 塊;街區(qū);<英>大樓，大廈;障礙物，阻礙;
vt. 阻止;阻塞;限制;
??? 情景例句
Practice tenses as much as possible.
操練各種時態(tài)。
Respect yourself, or no one else will respect you.
君須自敬，人乃敬之。
but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies,
在空中十分自如，可以飛行6，000英里，可以飛往北方做窩的老家，再從老家飛回；一邊飛一邊喂養(yǎng)會飛的雛燕，甚至在頂風(fēng)時也能在氣流中滑翔，似乎氣流在幫它前進。